Fix gcc missing parenthesis warnings

[zfs.git] / module / zfs / arc.c

diff --git a/module/zfs/arc.c b/module/zfs/arc.c
index de09ca9..c1b8671 100644 (file)
--- a/module/zfs/arc.c
+++ b/module/zfs/arc.c
@@ -1143,6 +1143,8 @@ arc_space_consume(uint64_t space, arc_space_type_t type)
        ASSERT(type >= 0 && type < ARC_SPACE_NUMTYPES);
 
        switch (type) {
+       default:
+               break;
        case ARC_SPACE_DATA:
                ARCSTAT_INCR(arcstat_data_size, space);
                break;
@@ -1167,6 +1169,8 @@ arc_space_return(uint64_t space, arc_space_type_t type)
        ASSERT(type >= 0 && type < ARC_SPACE_NUMTYPES);
 
        switch (type) {
+       default:
+               break;
        case ARC_SPACE_DATA:
                ARCSTAT_INCR(arcstat_data_size, -space);
                break;
@@ -1725,12 +1729,12 @@ arc_evict(arc_state_t *state, uint64_t spa, int64_t bytes, boolean_t recycle,
                if (mru_over > 0 && arc_mru_ghost->arcs_lsize[type] > 0) {
                        int64_t todelete =
                            MIN(arc_mru_ghost->arcs_lsize[type], mru_over);
-                       arc_evict_ghost(arc_mru_ghost, NULL, todelete);
+                       arc_evict_ghost(arc_mru_ghost, 0, todelete);
                } else if (arc_mfu_ghost->arcs_lsize[type] > 0) {
                        int64_t todelete = MIN(arc_mfu_ghost->arcs_lsize[type],
                            arc_mru_ghost->arcs_size +
                            arc_mfu_ghost->arcs_size - arc_c);
-                       arc_evict_ghost(arc_mfu_ghost, NULL, todelete);
+                       arc_evict_ghost(arc_mfu_ghost, 0, todelete);
                }
        }
 
@@ -1745,13 +1749,14 @@ static void
 arc_evict_ghost(arc_state_t *state, uint64_t spa, int64_t bytes)
 {
        arc_buf_hdr_t *ab, *ab_prev;
-       arc_buf_hdr_t marker = { 0 };
+       arc_buf_hdr_t marker;
        list_t *list = &state->arcs_list[ARC_BUFC_DATA];
        kmutex_t *hash_lock;
        uint64_t bytes_deleted = 0;
        uint64_t bufs_skipped = 0;
 
        ASSERT(GHOST_STATE(state));
+       bzero(&marker, sizeof(marker));
 top:
        mutex_enter(&state->arcs_mtx);
        for (ab = list_tail(list); ab; ab = ab_prev) {
@@ -1838,13 +1843,13 @@ arc_adjust(void)
 
        if (adjustment > 0 && arc_mru->arcs_lsize[ARC_BUFC_DATA] > 0) {
                delta = MIN(arc_mru->arcs_lsize[ARC_BUFC_DATA], adjustment);
-               (void) arc_evict(arc_mru, NULL, delta, FALSE, ARC_BUFC_DATA);
+               (void) arc_evict(arc_mru, 0, delta, FALSE, ARC_BUFC_DATA);
                adjustment -= delta;
        }
 
        if (adjustment > 0 && arc_mru->arcs_lsize[ARC_BUFC_METADATA] > 0) {
                delta = MIN(arc_mru->arcs_lsize[ARC_BUFC_METADATA], adjustment);
-               (void) arc_evict(arc_mru, NULL, delta, FALSE,
+               (void) arc_evict(arc_mru, 0, delta, FALSE,
                    ARC_BUFC_METADATA);
        }
 
@@ -1856,14 +1861,14 @@ arc_adjust(void)
 
        if (adjustment > 0 && arc_mfu->arcs_lsize[ARC_BUFC_DATA] > 0) {
                delta = MIN(adjustment, arc_mfu->arcs_lsize[ARC_BUFC_DATA]);
-               (void) arc_evict(arc_mfu, NULL, delta, FALSE, ARC_BUFC_DATA);
+               (void) arc_evict(arc_mfu, 0, delta, FALSE, ARC_BUFC_DATA);
                adjustment -= delta;
        }
 
        if (adjustment > 0 && arc_mfu->arcs_lsize[ARC_BUFC_METADATA] > 0) {
                int64_t delta = MIN(adjustment,
                    arc_mfu->arcs_lsize[ARC_BUFC_METADATA]);
-               (void) arc_evict(arc_mfu, NULL, delta, FALSE,
+               (void) arc_evict(arc_mfu, 0, delta, FALSE,
                    ARC_BUFC_METADATA);
        }
 
@@ -1875,7 +1880,7 @@ arc_adjust(void)
 
        if (adjustment > 0 && arc_mru_ghost->arcs_size > 0) {
                delta = MIN(arc_mru_ghost->arcs_size, adjustment);
-               arc_evict_ghost(arc_mru_ghost, NULL, delta);
+               arc_evict_ghost(arc_mru_ghost, 0, delta);
        }
 
        adjustment =
@@ -1883,7 +1888,7 @@ arc_adjust(void)
 
        if (adjustment > 0 && arc_mfu_ghost->arcs_size > 0) {
                delta = MIN(arc_mfu_ghost->arcs_size, adjustment);
-               arc_evict_ghost(arc_mfu_ghost, NULL, delta);
+               arc_evict_ghost(arc_mfu_ghost, 0, delta);
        }
 }
 
@@ -2303,7 +2308,7 @@ arc_get_data_buf(arc_buf_t *buf)
                state =  (arc_mru->arcs_lsize[type] >= size &&
                    mfu_space > arc_mfu->arcs_size) ? arc_mru : arc_mfu;
        }
-       if ((buf->b_data = arc_evict(state, NULL, size, TRUE, type)) == NULL) {
+       if ((buf->b_data = arc_evict(state, 0, size, TRUE, type)) == NULL) {
                if (type == ARC_BUFC_METADATA) {
                        buf->b_data = zio_buf_alloc(size);
                        arc_space_consume(size, ARC_SPACE_DATA);
@@ -3409,7 +3414,7 @@ arc_tempreserve_space(uint64_t reserve, uint64_t txg)
         * in order to compress/encrypt/etc the data.  We therefor need to
         * make sure that there is sufficient available memory for this.
         */
-       if (error = arc_memory_throttle(reserve, anon_size, txg))
+       if ((error = arc_memory_throttle(reserve, anon_size, txg)))
                return (error);
 
        /*
@@ -3878,7 +3883,7 @@ out:
  * Free buffers that were tagged for destruction.
  */
 static void
-l2arc_do_free_on_write()
+l2arc_do_free_on_write(void)
 {
        list_t *buflist;
        l2arc_data_free_t *df, *df_prev;